US2617581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Popcorn box with pouring spout
Assignee: Individual
•
Filing: 1947-05-26
•
Granted: 1952-11-11
•
Expires: 1967-05-26
Abstract
No abstract record available.
Inventors
- 👤 Sharrell E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:11
CPC Classifications
B; B65; B65D; B65D5/00; B65D5/42; B65D5/70; B65D5/701; B65D5/703
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US390307A
Cited
US1468299A
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US1566196A
Cited
US1918088A
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US2064029A
Cited
US2141752A
Cited
US2167917A
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US2327709A
Cited
US2337039A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-11-11 | 1956-05-12 | 1956-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-11-11 | 1960-05-12 | 1960-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-11-11 | 1964-05-12 | 1964-11-11 | $7700.00 | Window Closed / Lapsed |